Year	Number of Firms
1992-01-01	62
1997-01-01	148
2002-01-01	169
2003-01-01	189
2004-01-01	202
2005-01-01	188
2006-01-01	183
2007-01-01	200
2008-01-01	202
2009-01-01	242
2010-01-01	316
2011-01-01	353
2012-01-01	344
2013-01-01	327
2014-01-01	262
2015-01-01	286
2016-01-01	327